Global linear Goursat problems for functions of Gevrey-Lednev type
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 3, Volume 23 (1969) no. 2, p. 387-412 
@article{ASNSP_1969_3_23_2_387_0,
     author = {Persson, Jan},
     title = {Global linear Goursat problems for functions of Gevrey-Lednev type},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 23},
     number = {2},
     year = {1969},
     pages = {387-412},
     zbl = {0176.08801},
     mrnumber = {287131},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1969_3_23_2_387_0}
}

Persson, Jan. Global linear Goursat problems for functions of Gevrey-Lednev type. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 3, Volume 23 (1969) no. 2, pp. 387-412. http://www.numdam.org/item/ASNSP_1969_3_23_2_387_0/

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